20047178

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{821}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 31219560

約数和(自身を除く): 11172382

約数列:

[1, 2, 29, 58, 421, 821, 842, 1642, 12209, 23809, 24418, 47618, 345641, 691282, 10023589, 20047178]

約数ペア:

[(1, 20047178), (2, 10023589), (29, 691282), (58, 345641), (421, 47618), (821, 24418), (842, 23809), (1642, 12209)]